Which term is given to that half of the hurricane to the right-hand side of its track (as you face the same direction that the storm is moving) in the Northern Hemisphere?
• Hurricane structure in the Northern Hemisphere and how rotation (counterclockwise) interacts with the storm’s forward motion • The meaning of the terms dangerous semicircle and safe semicircle in marine weather • How wind speed and sea state change on different sides of a moving storm center
• Picture a hurricane moving north. On which side (east or west) does the storm’s counterclockwise rotation add to its forward motion, making stronger winds? • For a vessel at sea, which half of the storm track generally has higher wind speeds, worse seas, and greater risk of being set toward the storm center? • Which of the answer choices are general terms (like windward/leeward) versus specific meteorological terms used for hurricanes?
• Be sure you know that Northern Hemisphere hurricanes rotate counterclockwise and have a forward track direction • Identify which side of the track has the combined effect of rotational wind + forward motion, leading to stronger winds • Separate everyday sailing terms (windward/leeward) from the specific hurricane terms that describe the safer vs more dangerous halves of the storm.
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